Give a two-minute talk on why it is important to know history

Every nation has his history and every nation is proud of his history. History is the nation's biography and I think everyone must know the history of his nation. It is funny if we ask a person questions about the person's biography and he can't answer the questions. The same is with history. We have to know our origins. We have to know our religion. We have to know our enemies. We must know about our heroes. History is our memory. If we have memory we have history. We must respect other nations' history as we respect our.